//
// Created by bianzheng on 2022/2/13.
//

#include <iostream>
#include <string>

using namespace std;

int main() {
    ////find函数返回类型 size_type
    string s("101:");
//    s.replace(s.length() - 1, ' ', s);
//    cout << s << endl;
    int tmp = stoi(s.c_str());
    printf("%d\n", tmp);
}
